It seems to be a bug in the SimpleSelectOneRenderer.
A workaround for this issue is to set the submitted value to an empty String.
Here is a short example:
<tr:selectOneListbox id="myOptions" label="Items:" value="#{bean.item}"
autoSubmit="true">
<!-- entries goes here... -->
</tr:selectOneListbox>
<tr:commandButton text="Delete Selected Item"
actionListener="#{bean.deleteItem}"/>
public class Bean
{
public void deleteItem(ActionEvent event)
{
// your delete stuff goes here
deleteSelectedItem();
// now the workaround
UIXSelectOne uiComp = (UIXSelectOne)FacesContext.getCurrentInstance()
.getViewRoot().findComponent("myOptions");
RequestContext().getCurrentInstance().addPartialTarget(uiComp);
uiComp.setSubmittedValue("");
}
}
Hope this helps...
Regards,
Sven
>
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-----Ursprüngliche Nachricht-----
> Von: Paul van Rossem [mailto:[EMAIL PROTECTED]
> Gesendet: Dienstag, 4. März 2008 20:40
> An: [email protected]
> Betreff: <tr:selectOneListbox> throws on empty map
>
> If the last item in a selectOneListbox is removed the renderer throws.
> But an empty list should be allowed.
> Also the exception message makes no sense (submittedValue's index "0"
> should be between "0" and "-1").
> The same holds for selectOneChoice.
>
> Example jsf file:
>
> <?xml version="1.0" encoding="UTF-8" ?>
> <jsp:root version="2.0"
> xmlns:jsp="http://java.sun.com/JSP/Page";
> xmlns:f="http://java.sun.com/jsf/core";
> xmlns:h="http://java.sun.com/jsf/html";
> xmlns:tr="http://myfaces.apache.org/trinidad";>
> <jsp:directive.page contentType="text/html; charset=utf-8"/>
> <f:view>
> <tr:document title="selectOneListbox exception">
> <tr:outputText value="Please select the item in the
> list and then click delete"/>
> <tr:form>
> <tr:panelFormLayout>
> <tr:selectOneListbox label="Items:" value="#{bean.item}"
> size="4" autoSubmit="true">
> <f:selectItems value="#{bean.items}"/>
> </tr:selectOneListbox>
> <tr:commandButton text="Delete Selected Item"
> actionListener="#{bean.deleteItem}"
> immediate="true"/>
> </tr:panelFormLayout>
> </tr:form>
> </tr:document>
> </f:view>
> </jsp:root>
>
> Corresponding bean:
>
> package nl.timeware.vrtsim.beans;
> import java.util.*;
> import javax.faces.event.ActionEvent;
>
> public class Bean
> {
> private int numberItems = 1; // start with 1 item
> public int getItem()
> { return numberItems == 1 ? 1 : -1; // either 1 or no items
> }
> public void setItem(int id)
> {
> }
> public Map<String, Integer> getItems()
> { System.out.println("Bean.getItems(): loading list with "
> + numberItems + " items");
> Map<String, Integer> itemMap = new TreeMap<String, Integer>();
> if (numberItems > 0)
> itemMap.put("Item 1", 1);
> return itemMap;
> }
> public void deleteItem(ActionEvent event)
> { numberItems = 0; // remove item
> }
> }
>
> Exception thrown:
>
> Mar 4, 2008 7:57:35 PM
> org.apache.catalina.core.StandardWrapperValve invoke
> SEVERE: Servlet.service() for servlet Faces Servlet threw exception
> java.lang.IndexOutOfBoundsException: SelectOne
> submittedValue's index 0 is out of bounds. It should be
> between 0 and -1
> at
> org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.Simpl
> eSelectOneRenderer.__getIndex(SimpleSelectOneRenderer.java:403)
> at
> org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.Simpl
> eSelectOneRenderer._getSelectedIndex(SimpleSelectOneRenderer.java:470)
> at
> org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.Simpl
> eSelectOneRenderer.encodeAllAsElement(SimpleSelectOneRenderer.
> java:259)
> at
> org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.FormE
> lementRenderer.encodeAll(FormElementRenderer.java:109)
> at
> org.apache.myfaces.trinidad.render.CoreRenderer.delegateRender
> er(CoreRenderer.java:335)
> at
> org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.Input
> LabelAndMessageRenderer.renderFieldCellContents(InputLabelAndM
> essageRenderer.java:146)
> at
> org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.Label
> AndMessageRenderer._renderFieldCell(LabelAndMessageRenderer.java:387)
> at
> org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.Label
> AndMessageRenderer.encodeAll(LabelAndMessageRenderer.java:282)
> at
> org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.Input
> LabelAndMessageRenderer.encodeAll(InputLabelAndMessageRenderer
> .java:124)
> at
> org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(Core
> Renderer.java:224)
> at
> org.apache.myfaces.trinidad.component.UIXComponentBase.encodeE
> nd(UIXComponentBase.java:751)
> at
> org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(Co
> reRenderer.java:304)
> at
> org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.Panel
> FormLayoutRenderer._encodeFormItem(PanelFormLayoutRenderer.java:746)
> at
> org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.Panel
> FormLayoutRenderer._encodeFormColumns(PanelFormLayoutRenderer.
> java:672)
> at
> org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.Panel
> FormLayoutRenderer._encodeChildren(PanelFormLayoutRenderer.java:313)
> at
> org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.Panel
> FormLayoutRenderer.encodeAll(PanelFormLayoutRenderer.java:199)
> at
> org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(Core
> Renderer.java:224)
> at
> org.apache.myfaces.trinidad.component.UIXComponentBase.encodeE
> nd(UIXComponentBase.java:751)
> at
> org.apache.myfaces.trinidad.render.RenderUtils.encodeRecursive
> (RenderUtils.java:68)
> at
> org.apache.myfaces.trinidad.render.CoreRenderer.encodeChild(Co
> reRenderer.java:299)
> at
> org.apache.myfaces.trinidad.render.CoreRenderer.encodeAllChild
> ren(CoreRenderer.java:321)
> at
> org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.Panel
> PartialRootRenderer.renderContent(PanelPartialRootRenderer.java:64)
> at
> org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.BodyR
> enderer.renderContent(BodyRenderer.java:139)
> at
> org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.Panel
> PartialRootRenderer.encodeAll(PanelPartialRootRenderer.java:119)
> at
> org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.BodyR
> enderer.encodeAll(BodyRenderer.java:79)
> at
> org.apache.myfaces.trinidad.render.CoreRenderer.delegateRender
> er(CoreRenderer.java:335)
> at
> org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.Docum
> entRenderer.encodeAll(DocumentRenderer.java:80)
> at
> org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(Core
> Renderer.java:224)
> at
> org.apache.myfaces.trinidad.component.UIXComponentBase.encodeE
> nd(UIXComponentBase.java:751)
> at
> org.apache.myfaces.trinidad.component.UIXComponentBase.__encod
> eRecursive(UIXComponentBase.java:1339)
> at
> org.apache.myfaces.trinidad.component.UIXComponentBase.encodeA
> ll(UIXComponentBase.java:771)
> at
> javax.faces.component.UIComponent.encodeAll(UIComponent.java:942)
> at
> com.sun.faces.application.ViewHandlerImpl.doRenderView(ViewHan
> dlerImpl.java:273)
> at
> com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandl
> erImpl.java:204)
> at
> javax.faces.application.ViewHandlerWrapper.renderView(ViewHand
> lerWrapper.java:189)
> at
> org.apache.myfaces.trinidadinternal.application.ViewHandlerImp
> l.renderView(ViewHandlerImpl.java:176)
> at
> com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResp
> onsePhase.java:110)
> at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
> at
> com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
> at javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilt
> er(ApplicationFilterChain.java:290)
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(Appli
> cationFilterChain.java:206)
> at
> org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.
> _invokeDoFilter(TrinidadFilterImpl.java:238)
> at
> org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.
> _doFilterImpl(TrinidadFilterImpl.java:195)
> at
> org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.
> doFilter(TrinidadFilterImpl.java:138)
> at
> org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(Tri
> nidadFilter.java:92)
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilt
> er(ApplicationFilterChain.java:235)
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(Appli
> cationFilterChain.java:206)
> at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardW
> rapperValve.java:233)
> at
> org.apache.catalina.core.StandardContextValve.invoke(StandardC
> ontextValve.java:175)
> at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHost
> Valve.java:128)
> at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReport
> Valve.java:102)
> at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEn
> gineValve.java:109)
> at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdap
> ter.java:286)
> at
> org.apache.coyote.http11.Http11AprProcessor.process(Http11AprP
> rocessor.java:856)
> at
> org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHan
> dler.process(Http11AprProtocol.java:565)
> at
> org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.
> java:1509)
> at java.lang.Thread.run(Unknown Source)
>
>
